Take a jade/pounamu carving workshop

Kayak on Lake Mapourika with mirror reflections of the mountains (half-day from $95 NZD)

Walk to Fox Glacier viewpoint via the free valley track (1 hour return)

See glow worms on the Terrace Walk at dusk (free, Franz Josef)

Scenic helicopter flight over both glaciers and the Southern Alps (from $250 NZD)